The Blacklist's Tom Keen is back, and this time he's sporting several months of scruff.

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...and he's being kept locked up by one extremely vengeful ex-wife, but that's just a minor detail, right?

Ever since the season 1 finale, Liz Keen (Megan Boone) has secretly had her duplicitous former hubby under lock and key. Unfortunately for the FBI profiler, it seems the jig is up. A little birdie is about to tattle her secret to Red (James Spader), and Tom's (Ryan Eggold) fate is seemingly up in the air.

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"There's a good bit coming [about Tom]," Eggold told TODAY. "What's exciting is it's kind of being weaved into the central mythology a bit, in terms of who this guy is and why he's there. And some of the big questions - why did this whole thing start and why did Red come into Lizzie's life - one thing may shed light on the other."

Viewers can find out more about Tom's shocking return during the series' next episode, "The Scimitar." When an Iranian nuclear scientist is murdered, a hit man will be hired to exact revenge on America. Scroll through the photos above and click the video below to get a look at the upcoming episode.

The Blacklist airs Mondays at 10 p.m. ET on NBC.

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The Blacklist, Television, Nbc